Slide show on gravel deposit models and measuring aggregate quality, Front Range urban corridor, Colorado /

by Lindsey, David A.
Published 1998

Preliminary report on deposit models for sand and gravel in the Cache la Poudre River valley /

by Langer, William H.
Published 1999

Preliminary report on aggregate use and permitting along the Colorado Front Range /

by Wilburn, D. R. (David R.)
Published 2000

Specification aggregate quarry expansion : a case study demonstrating sustainable management of natural aggregate resources /

by Langer, William H.
Published 2003

Managing and protecting aggregate resources /

by Langer, William H.
Published 2002

Natural aggregates of the conterminous United States /

by Langer, William H.
Published 1988

An introduction to using surface geophysics to characterize sand and gravel deposits /

by Lucius, Jeffrey E.
Published 2006

An introduction to using surface geophysics to characterize sand and gravel deposits /

by Lucius, Jeffrey E.
Published 2007

Aggregate resource availability in the conterminous United States, including suggestions for addressing shortages, quality, and environmental concerns /

by Langer, William H.
Published 2011

Natural aggregate : building America's future /

by Langer, William H., Glanzman, V. M.
Published 1993